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Kenwood VT-171 User Manual

Kenwood VT-171
14 pages
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AC VOLTMETER
VT-171
VT-171E
©PRINTED
.
>APAN
INSTRUCTION
MANUAL
KENWOOD CORPORATION
KENWOOD
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Kenwood VT-171 Specifications

General IconGeneral
BrandKenwood
ModelVT-171
CategoryMeasuring Instruments
LanguageEnglish

Summary

1. GENERAL

2. FEATURES

a. Dual power differential input amplifiers

Describes high reliability and good saturation restoration from input amplifiers.

b. Large-sized Taut-band meter

Mentions high sensitivity and reliability of the meter.

d. High input resistance

States high input resistance (10M\[03A9\]) and low parallel capacitance.

e. Meter scales

Explains scales for RMS, dB, and dBm values for relative measurements.

3. SPECIFICATIONS

Messurable voltages

Lists measurable AC voltage ranges and scales.

Frequency response

Outlines the frequency response characteristics and references.

Input impedance

States the input impedance and parallel capacitance.

Durable input voltage

Lists maximum durable input voltages for different ranges.

4. FUNCTIONAL CONTROLS

1) Front Panel

Describes controls and indicators on the front panel.

2) Rear Panel

Details controls and connectors on the rear panel.

3) Preset Controls on Side Panel

Explains preset trimmer/resistor controls on the side panel.

5. OPERATION

Set-up

Step-by-step guide for setting up the voltmeter before use.

(1) Voltage Scales

Explains the two voltage scales and their readings.

(2) dB Scale

Describes the dB scale, its reference, and reading methods.

6. APPLICATIONS

(1) Amplifier Gain Measurement

Explains measuring amplifier gain using a signal generator.

7. MAINTENANCE

(1) Removing the casing

Steps for removing the device casing using a screwdriver.

(2) Mounting the casing

Steps for mounting the device casing correctly.

(3) Replacing the fuse

Procedure for replacing blown fuses and voltage selection.

8. ALIGNMENT

Initial Zero Adjustment

Adjust meter zero-adjust screw before powering on.

Calibrator Connection and Voltage Setting

Connects calibrator and sets voltage for adjustment.

VR102 Adjustment

Adjusts VR102 for full scale pointer swing.

VR101 Adjustment

Adjusts VR101 for full scale pointer swing.

9. CAUTIONS FOR USE

Measurement Precautions

Covers warm-up, environmental factors, and noise.

Input Cable and Voltage Limits

Recommends input cables and specifies maximum input voltage.

Storage and Power Safety

Advises on storage conditions and power cord safety.

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